RELATIONSHIPS BETWEEN GROWTH, MINERAL-NUTRITION AND SITE FACTORS OF TEAK (TECTONA-GRANDIS) PLANTATIONS IN THE RAIN-FOREST ZONE OF LIBERIA

被引：26
作者：
ZECH, W
DRECHSEL, P
机构：
[1] Institute of Soil Science and Soil Geography, University of Bayreuth, W-8580 Bayreuth
来源：
FOREST ECOLOGY AND MANAGEMENT | 1991年 / 41卷 / 3-4期
关键词：
D O I：
10.1016/0378-1127(91)90105-5
中图分类号：
S7 [林业];
学科分类号：
0829 ; 0907 ;
摘要：
In 5-11-year old teak plantations at Glaro, Cavalla and Bomi Hills in Liberia, growth and vigour of trees show considerable variations. Deficiency symptoms as well as soil and plant analyses indicate that differences in growth intensity are mainly related to topsoil acidity and foliar calcium status. Calcium deficiency seems to be caused by low soil reserves in highly weathered soils as well as by reduced uptake caused by root growth inhibition at waterlogged sites. Additionally, there are mineral disorders concerning the nitrogen, phosphorus and manganese supplies of teak.
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页码：221 / 235
页数：15
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